He________hispoorjudgment________JetLag.
C
此题考查固定词组 blame sth. on sb.把 ...怪到 ...头上。
Moderneconomics________thecountry’sagriculturalpolicies.
Youshouldhelpthem________whenyourfriendsquarrelwitheachother.
Agoodworkerinakeyspotcould,so_______ashekeptupproduction,takeallthecoffeebreakshewanted.
ModernEnglishvocabularydevelopsthroughthefollowingchannelsEXCEPT______.